Finding the Fourth Proportional to 342.06, 471.99 and 194.68
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Solution
The fourth proportional to 342.06, 471.99 and 194.68 is: 268.62
Step by Step Solution
- Step 1: Write the proportion equation
342.06 : 471.99 = 194.68 : x - Step 2: Convert to fraction form
342.06/471.99 = 194.68/x - Step 3: Cross multiply
342.06x = 471.99 × 194.68 - Step 4: Simplify right side
342.06x = 91,884.65 - Step 5: Solve for x
x = 91,884.65/342.06 - Step 6: Final answer
x = 268.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.